Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Monitoring temperature-induced changes in tissue during hyperthermia by impedance methods.

E Gersing1

  • 1Department of Anesthesiological Research, University Hospital Göttingen, Germany.

Annals of the New York Academy of Sciences
|June 18, 1999
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Therapeutic optimization of atrioventricular delay in cardiosurgical ICU patients by noninvasive cardiac output measurements versus pulse contour analysis.

The Thoracic and cardiovascular surgeon·2008
Same author

Tumour tissue monitoring during photodynamic and hyperthermic treatment using bioimpedance spectroscopy.

Physiological measurement·2003
Same author

Quantitative evaluation of the performance of different electrical tomography devices.

Biomedizinische Technik. Biomedical engineering·2001
Same author

Impedance analyser module for EIT and spectroscopy using undersampling.

Physiological measurement·2001
Same author

Evaluation of fast time-domain based impedance measurements on biological tissue.

Biomedizinische Technik. Biomedical engineering·2000
Same author

Quantitative analysis of impedance spectra of organs during ischemia.

Annals of the New York Academy of Sciences·1999
Same journal

Multiomics Profiling During Autoimmune Demyelination Highlights a Complex Regulatory Role for Ataxin-1 in B Cells.

Annals of the New York Academy of Sciences·2026
Same journal

Global Trends in Light Pollution and Their Relationship With Socioeconomic Factors.

Annals of the New York Academy of Sciences·2026
Same journal

Wired for Corruption: Inter-Brain Synchrony Encodes Bribery-Related Value Information and Predicts Bribery Agreement.

Annals of the New York Academy of Sciences·2026
Same journal

LM-YOLO: A Lightweight Multi-Scale Enhanced Model for Forest Smoke Detection Using Unmanned Aerial Vehicles.

Annals of the New York Academy of Sciences·2026
Same journal

Polyrhythm Perception and Production: A Scoping Review.

Annals of the New York Academy of Sciences·2026
Same journal

DARTS-CNN-BiLSTM: Intelligent Fault Diagnosis for Computer Numerical Control Machine Tool Feed System.

Annals of the New York Academy of Sciences·2026
See all related articles

Tissue electrical conduction is affected by temperature through electrolyte conductivity and fluid shifts. These fluid shifts significantly impact conductance measurements, questioning the accuracy of electrical impedance tomography (EIT) for temperature monitoring.

Area of Science:

  • Biophysics
  • Physiological Measurement
  • Biomedical Engineering

Background:

  • Electrical conduction in biological tissues is influenced by temperature.
  • Two primary mechanisms affect tissue conductivity: electrolyte properties and fluid volume changes.
  • Understanding these mechanisms is crucial for accurate physiological monitoring.

Purpose of the Study:

  • To investigate the impact of temperature-induced fluid volume shifts on electrical tissue conductance.
  • To evaluate the reliability of impedance-based methods for temperature monitoring in tissues.
  • To explore potential applications of impedance spectroscopy in monitoring tissue fluid dynamics.

Main Methods:

  • Measurements of electrical conductance in rat skeletal muscle and DS sarcoma tumors.

Related Experiment Videos

  • Experiments conducted during hyperthermic treatment to induce temperature changes.
  • Analysis of fluid volume shifts and their correlation with conductivity changes.

    • Main Results:

    • Fluid volume shifts contribute significantly to changes in tissue conductance, comparable to changes in fluid conductivity.
    • Skeletal muscle conductance changes are linked to temperature-induced vasodilation and blood volume alterations.
    • Tumor fluid content exhibits irregular changes with temperature variations.

    Conclusions:

    • Temperature-induced fluid volume shifts complicate accurate temperature assessment using electrical impedance methods like electrical impedance tomography (EIT).
    • The findings suggest that EIT may not be reliable for direct temperature measurements in hyperthermic tissues.
    • Impedance spectroscopy and tomography show promise for monitoring tissue fluid volumes and cell membrane status.